I would say take your time and go slow at first.
remember inch by inch anythings a cinch.
best of luck. I have 2 cats and have had Teana since late February,they are all friends now but it took months and they still have moments.
Teana- black & red GSD (rescue)July 10, 2013
-white cat Sept.97
Squeekers Flame-point Siamese July 09
black and white tabby Dec. 2013
-Min-Pin 1-10-01 until 2-12-14