Why can newly prepared copper hydroxide react with benzaldehyde_Kain Industrial Additives

Copper hydroxide Copper hydroxide, molecular formula Cu(OH)2, dry powder appears blue or crystal, insoluble in water, decomposed by heat, slightly amphoteric, soluble in acid, ammonia and sodium cyanide, easily soluble in alkaline glycerin In the solution, it becomes dark when heated to 60-80°C, and decomposes into black copper oxide and water at higher temperatures. It…