Match the Group 2 compound with its application and reason for solubility:
Magnesium hydroxide (Mg(OH)₂) ↔️ Antacid, neutralizes stomach acid
Barium sulfate (BaSO₄) ↔️ Contrast agent, insoluble enhances X-ray images
Calcium hydroxide (Ca(OH)₂) ↔️ Soil conditioner, increases soil pH