CuCl₂ (aq) + 2 KOH (aq) → Cu(OH)₂ (s) + 2 KCl (aq)

This is a precipitation reaction: Cu(OH)₂ is the formed precipitate.

Reactants:

• CuCl₂
  • Names: Copper(II) chloride , Cupric chloride , Copper chloride ... show moreCopper(2+) chloride , Cupric chloride anhydrous , Coclor , Copper(II) chloride (1:2) , Copper chloride (CuCl2) , Cupric dichloride , Copper(2+)chloride , Copper dichloride , Copper bichloride , CuCl2 , Cupric Chloride show less
  • Appearance: Yellow-brown solid (anhydrous) | blue-green solid (dihydrate)
• KOH – Potassium hydroxide
  • Other names: Caustic potash , Lye , Potash lye ... show morePotassia , Potassium hydrate , KOH , E525 , Potassium lye , Lye [Potassium hydroxide] show less
  • Appearance: White solid, deliquescent ; White hygroscopic solid in various forms ; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.]

Products:

• Cu(OH)₂ – Copper(II) hydroxide
  • Other names: Cupric hydroxide , Cu(OH)2
  • Appearance: Blue or blue-green solid
• KCl
  • Names: Potassium chloride , Sylvite , Muriate of potash ... show moreKlor-Con M15 , K-Lease , Klor-Con 8 , K+10 , K+8 , Klor-Con M10 , Micro-K 10 , Kato , Kaon Cl-10 , Kaon-Cl , Kaon Cl , Micro-K , Klor-Con 10Meq , Klor-Con 10 , Micro-K Ls , K-dur , Klor-Con , Klor-Con M20 , Slow-K , Ten-K , Klotrix , [KCl] , Kaliumchlorid , Chloride of potash , Kaon-CL 10 , Klor-CON , KCl , Monopotassium chloride , K-Tab , Chlorid draselny , Potassium Chloride show less
  • Appearance: White crystalline solid ; Colourless hygroscopic crystals