2002 Chevrolet Cavalier losing antifrezz

I have a problem I have a 2.2 ohv cavalier I am thinking the head gasket is bad but not sure I put water in the over flow tank to fill radiator but as soon as I start the car it sprays water right back out I was told that it is eather blown head gasket on ciylender side or cracked head it is a miss on # 2 cylinder replace plunges thinking that was it fixed for about 5 min and check engen light cam e back on saying same thing what I want to know is can I check it for water in cylinder by takeing a plug out putting a rag or something over it while Turing mother over I does blow smoke with a really bad smell