3 MgCl2 + 2 K3PO4 → 6 KCl + Mg3(PO4)2
Reactants:
- MgCl2
- Names: Magnesium chloride


, Magnesium dichloride
, Magnesium chloride anhydrous 
MgCl2
, [MgCl2] 
- Appearance: White or colourless crystalline solid
; Deliquescent white solid in various forms 
- K3PO4 – Potassium phosphate

, Potassium tetraoxidophosphate(3−) 
- Other names: Tripotassium phosphate

, Tribasic
, Tribasic potassium phosphate
E340iii
, E340(iii) 
- Appearance: White deliquescent powder

Products:
- KCl
- Names: Potassium chloride


, Sylvite 
, Muriate of potash 
Klor-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 
- Appearance: White crystalline solid
; Colourless hygroscopic crystals 
- Mg3(PO4)2