2... + 2H2O = 2NaOH + H2 ... + 2H2O = CAN(OH)2 + 2... Al2S3 + ...H2O = ...AL(OH)3 + 3...
Al2S3+6H2O=2Al(OH)2+3H2S CaC2+2H2O=Ca(OH)2+H2C2