There aren't any Xbox emulators as far as I'm aware.
As for the stunning PCSX2 emulator, it does not run on Mac OSX. But if you have an Intel Mac with Windows XP or better installed, you should be able to run PCSX2. Maybe not at full speed, but it should run.
No PS2 games do not play on the Xbox or Xbox 360
Xbox 360 games do not play on the PS2 or they would be called Xbox 360/PS2 games
No the PS2 does not play Xbox 360 games only the Xbox 360 plays the games for it.
No it can not play PS2 games
No the Xbox 360 can not play a PS2 game
No you can not play PS2 Games on the Xbox 360
A ps3 can't play xbox games, I would think it could play ps2 games but im not sure.
No, Xbox is made by Microsoft, while the PS2 was made by Sony.
no
No
You can not play xbox games on a playstation 2
No of course not that's why there are called Xbox 360 games. They were designed to work on the Xbox 360. PS2 games are designed to work on the PS2 hardware