Well, you could watch Air Crash Investigation on National Geographic.
For exercises to practice, sounds like you need a QRH (Quick Reference Handbook).
To help you get started, this is the Cabin Altitude Warning or Rapid Depressurisation, Recall items from my company, for the 737 Classic.
Oxygen masks and regulators . . . . . . . . . . . . . . . . . On, 100%
Crew communications . . . . . . . . . . . . . . . . . . . . . . . . Establish
Pressurization mode selector . . . . . . . . . . . . . . . . . . . . . . MAN
Outflow valve switch . . . . . . . . . . . . . . . . . . . . . . . . . . . CLOSE
If pressurization is restored, continue manual operation
to maintain proper cabin altitude.
Passenger signs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
If cabin altitude is uncontrollable:
Passenger oxygen switch . . . . . . . . . . . . . . . . . . . . . . . .ON
Activate passenger oxygen if cabin altitude exceeds or
is expected to exceed 14,000 feet.
Emergency descent . . . . . . . . . . . . . . . . . . . . . . . . . .Initiate
Accomplish the EMERGENCY DESCENT checklist if
the airplane is above 14,000 feet MSL and control of
cabin pressure is not possible, or cabin pressure is
lost.