No not without an emulator program and PS1 bios
Playstation 3 can play old Playstation games, but Playstation 2 games are not compatible. You can load some playstation 2 games using the hard drive and an emulator, but not all.
pcsx2 IS an emulator for playstation 2. no difference x_x
As of April, 2009, no PlayStation 3 emulator has been developed or released.
If it didn't play PlayStation 2 games, it wouldn't be a PlayStation 2 emulator. So obviously the answer is no.
Burn it using NERO to a CD/DVD. Now you can use it. If you are using an ISO file of game then use a PlayStation emulator
People who are interested in downloading a Playstation emulator can use emulator-zone, which is a popular website for all your playstation download needs. It offers free software downloads as well as demos, and pricing packages.
There is currently no functional PlayStation 3 emulator in existence.
Ebay, amazon and many other online stores. Or you could download it from www.emuparadise.org and run it on PC using a PlayStation emulator. I don't know if writing the download onto a CD and using it in a playstation will work or not but it might if the playstation is chipped.
The ePSXe is a computer program witch emulates a Playstation one console. You can play most PSX game discs in your CD-rom drive.
All known Playstation emulators are available for download at www.emuwiki.com
To configure PCSX (PlayStation emulator), first, download and install the emulator from its official website. Launch the emulator and go to the "Config" menu to adjust settings such as CPU, graphics, and sound plugins. You may also need to configure your controller under the "Controllers" option. Finally, load your PlayStation game by selecting "File" > "Run ISO" and navigating to your game file.