Siddy

Hi Everyone, Im extremely new to all this with very limited eletronic knowledge but i was wondering if someone could explain to me how its possible to open a 24V/AC Water Solenoid....at this moment in time i only have the solenoid i was wondering what i could uses to power the device....any information would be fantastic or as i am alway interested in learning new stuff :) Cheers Tom p.S im sorry if this is an extremely extremely noobish question.