This is a precipitation reaction: Al(OH)3 is the formed precipitate.
Reactants:
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AlCl3 – Aluminium chloride
Other names: Aluminium(III) chloride, Aluminum trichloride, Aluminum chloride
Appearance: White or pale yellow solid | hygroscopic ; Colourless-to-white powder. turns grey-to-yellow on exposure to moisture
NaOH
Names: Sodium hydroxide, Caustic soda, Lye
Appearance: White, waxy, opaque crystals ; White hygroscopic solid in various forms ; Colorless to white, odorless solid (flakes, beads, granular form).