2Cu[Fe(NO)(CN)5] + 4NaHCO3 → 2Na2[Fe(NO)(CN)5] + Cu2(OH)2CO3 + 3CO2 + H2O
Copper(II) pentacyanonitrosylsferrate(II) and sodium bicarbonate to produce sodium pentacyanonitrosylsferrate(II), copper dihydroxide-carbonate, carbon dioxide and water. Sodium bicarbonate - concentrated solution.