What is "copper hydroxide"

Copper(II) hydroxide is the hydroxide of the metal copper with the chemical formula of Cu(OH). Copper hydroxide is a pale blue solid. Some forms of copper(II) hydroxide are sold as "stabilized" copper hydroxide, quite likely a mixture of copper(II) carbonate and hydroxide. These are often greener in colour. Copper hydroxide acts as a weak base in aqueous solution.

Copper(I) hydroxide is the hydroxide of the metal copper with the chemical formula of CuOH.