CuSO4 + 2 NaI → Na2SO4 + CuI2
Reactants:
- CuSO4 – Copper(II) sulfate


- Other names: Cupric sulphate

, Blue vitriol (pentahydrate)
, Bluestone (pentahydrate)
Bonattite (trihydrate mineral)
, Boothite (heptahydrate mineral)
, Chalcanthite (pentahydrate mineral)
, Chalcocyanite (mineral)
, Cupric sulfate
, Copper sulfate (anhydrous)
, CuSO4
, Copper sulfate
, Cupric sulfate anhydrous
, Copper monosulphate
, Copper sulfate (1:1)
, Cupric sulphate anhydrous
, Copper sulphate
, Copper(2+) sulfate
, Copper(II) sulphate
, Copper monosulfate
, Cupric sulfate, anhydrous
, Cupric sulphate, anhydrous
, Sulfuric acid, copper(2+) salt(1:1) 
- Appearance: Gray-white (anhydrous) | blue (pentahydrate)
; White hygroscopic crystals 
- NaI
- Names: Sodium iodide

, Sodium iodide (anhydrous)
, NaI
, Sodium monoiodide 

- Appearance: White solid | deliquescent
; Colourless-to-white hygroscopic crystals or white powder. turns brown on exposure to air 
Products:
- Na2SO4
- Names: Sodium sulfate


, Sodium sulphate 
, Sulfate of sodium
Thenardite (mineral)
, Glauber's salt (decahydrate)
, Sal mirabilis (decahydrate)
, Mirabilite (decahydrate mineral)
, Disodium sulfate 

, Anhydrous sodium sulfate
, Sodium sulfate anhydrous 
, Sodium sulfate, anhydrous
, Sodium sulphate anhydrous
, Sodium sulphate, anhydrous
, Sulfuric acid disodium salt, anhydrous
, Disodium sulphate
, Salt cake
, Na2SO4
, Sulfuric acid disodium salt 
- Appearance: White crystalline solid | hygroscopic
; White hygroscopic solid in various forms 
- CuI2