Nt totally. They will run away for a little while to mate, but they will not run away to have kittens. Often times the male will come back for the female if she is pregnant. I know because it has happend to me with my female cat.
actually some cats do, it depends on if you have trained them to do it. the cats that don't come either have not beed traind to come on call, or they are just to idapendant. (cats are a verry independent race, that is why they often wander off to be by themselfs.)
It could very well run away.
When cats run away from home, they typically travel up to 1-2 miles away.
Most likely because if you snuggle and pet them they probably get annoyed, but I'm not sure really. My cat does that.
After you obtain a pet -catching it, buying it, etc- you just have to right click the pet in your inventory and click "drop." The pet will follow you but beware of how hungry it is. When it reaches 100 it will run away. Certain pets like cats also need extra interaction or else they will run away. For more information on pets see: http://runescape.wikia.com/wiki/Pets
cats are very territorial and feel very threatened when a new cat comes within their territory so your answer is basicly a new cat. although they do seem to run away in summer a lot too.
this is a good answer above
It's not possible, but your pet CAN get sick. Your pet will never die or run away.
Not if they are in your bank.
Domestic cats can reach speeds of up to 30 mph.
It can be common for cats to run away, especially if they are outdoor cats or not properly supervised. Some cats may have a strong prey drive or be easily frightened, leading them to wander off. Making sure your cat is microchipped and has proper identification can increase the chances of them being returned home if they do go missing.
All they do is run away until they get use to them