My Logan is part GSD and she has a high prey drive. She's only met a cat once. It went under our fence into the yard and it was a stand off. Logan's butt was in the air in a play stance, but the cat was having none of it! It unceremonesly let her know in no uncertain terms that she wasn't budging and wasn't scared. One nose swipe said it all for Logan.

I just thought it was a cute story, but I know people (like on PT) that have cats and dogs and each knows it's place. Good luck and
thanks for adopting. I'll bet the pup is gorgeous with those 2 breeds.