Pb(OH)₂ (s) + 2 HCl (aq) → PbCl₂ (s) + 2 H₂O (l)

This is an acid-base reaction (neutralization): Pb(OH)₂ is a base, HCl is an acid.

Reactants:

• Pb(OH)₂ – Lead(II) hydroxide
  • Other names: Lead hydroxide , Plumbous hydroxide , Basic lead carbonate
  • Appearance: Blue amorphous powder
• HCl – Chlorane , Hydrogen chloride
  • Other names: Hydrochloric acid , M , Uriatic acid ... show moreHydronium chloride , Chlorhydric Acid , Hydrochloric acid gas , HCl , Anhydrous hydrogen chloride , Hydrochloric acid, anhydrous , Aqueous hydrogen chloride , [Note: Often used in an aqueous solution.] show less
  • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]

Products:

• PbCl₂ – Lead(II) chloride , Lead dichloride
  • Other names: Plumbous chloride , Cotunnite , Lead chloride ... show moreLead(2+) chloride , PbCl2 show less
  • Appearance: White odorless solid
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas