a) 2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
b) 2 CH3CH2COOH + Zn = (CH3CH2COO)2Zn + H2
c) CH3CH2OH + HCOOH = HCO2CH2CH3 + H2O
d) CH3CH2COOH + NH3 = H2O + CH3CH2CONH2
e) CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2O + CO2
f) CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2COOCH2CH3 + H2O