CaC2 + 2H2O = Ca(OH)2 + C2H2
C2H2 + H2O -> CH3COH
CH3COH + H2 -> CH3-CH2-OH
CH3-CH2-OH + CuO -> CH3COH + Cu + H2O
CaC2 + 2H2O = Ca(OH)2 + C2H2
C2H2 + H2O -> CH3COH
CH3COH + H2 -> CH3-CH2-OH
CH3-CH2-OH + CuO -> CH3COH + Cu + H2O