Cook and drain pasta as directed on package; rinse and drain.
Place pasta, cabbages, apple and jicama in large bowl.
Mix sugar, water and vinegar in 1-cup microwavable measure. Cover with plastic wrap, folding back one side to vent. Microwave on High 1 to 2 minutes or until boiling; stir. Microwave uncovered 30 seconds longer. Stir in mustard seed and salt.
Pour over cabbage mixture; toss.
Cover and refrigerate about 2 hours or until chilled.