Combine first 5 ingredients in a medium bowl; toss well.
Combine lime juice and remaining 4 ingredients, stirring with a wire whisk. Pour lime juice mixture over vegetable mixture, and toss well. Cover and chill at least 2 hours. Stir just before serving.
Tip: This jalapeño-hot corn side dish is great served with Tex-Mex entrées like burritos and enchiladas.