Q - Which of the following best represents the reaction of calcium metal with water?
A - Ca (s) + H2O (l) --> CaOH (s) + H (g)
B - Ca (s) + H2O (l) --> Ca(OH)2 (s) + H2 (g)
C - Ca (s) + 2H2O (l) --> Ca(OH)2 (s) + H2 (g)
D - Ca++ (aq) + 2H2O (l) --> Ca(OH)2 (aq) + H2(g)