Well, don’t count on it. They might, and they might not. Cats do as they please, mostly. If they’re not fighting over the food dish, they’ll find something else. I’ve become very friendly with my husband’s cat, and now she boxes MY cat’s ears when she comes over for rubsies. I have to make sure my girl knows she’s still Number One with me.
Speaking of cats, they’re both passed out in my room (because that’s where the sun is), and one of them is snoring. Awwwww.
We got our cats, Midnight and Maffie, a day apart. Midnight, who got there first, thought she would have the place to herself, and was appalled when she first saw Maggie. Hissed at her, and got hissed back. They refused to go in the same room together, and we even had their litter boxes in different rooms (not easy in a small apartment). Maggie eventually became the alphas cat, and could stare Midnight down on occasion.
But they got to be friends, and used to sleep curled up together.
After Maggie died, we got two new cats from the shelter (we were only going to get one. It would’ve been easy to take more). Lotta looked like a younger version of Maggie, and Midnight treated her as such – except that now Midnight was in the dominant position. But the other cat, Clarence, thought he was the alpha male. Midnight thought she was the alpha cat. She always hissed at him, even in passing. He sometimes played riough, backing her into corners. They fight over food dish rights. To this day, Midnight hisses at him.It’s been five years.
But she doesn’t hiss as much, so the hate may be cooling.
Moral: Cats might get used to each other in a short time. Or it might take five years or more.