Edit in JSFiddle

$(".mouse").mousemove(function (e) {
    var mouseX = e.pageX;
    var mouseY = e.pageY;
    $(".mouse").html("Mouse: X" + mouseX + " " + "Y"+ mouseY);
});

<div class="mouse">
        <br/>
        <br/>
        <br/>
        Passe o mouse
</div>

.mouse{
    height:200px;
    width:200px;  
    border:solid;
}