Magnesium ( Mg ) oxalate is 567 times more soluble than calcium oxalate .
The latter is more likely to precipitate out when magnesium levels are low and calcium and oxalate levels are high .
Magnesium ( Mg ) oxalate is 567 times more soluble than calcium oxalate , so the latter is more likely to precipitate out when magnesium levels are low and calcium and oxalate levels are high .