How to toggle html forms within a php loop individually?

How to toggle html forms within a php loop individually?

I have a php loop that fetches records from the database.

<?php
$comments=array('comment1','comment2','comment3','comment4','comment5','comment 6 ','comment7','comment8','comment9');
$c_count = count($comments);

for($i=0; $i<$c_count; $i++){
$comment = $comments[$i];
echo '<button value="Show Reply Form"></button>';
echo '<div class="comment_box">'
echo $comment['comment'];
echo '<form action="path/to/insert_reply.php" method="POST">';
echo '<textarea name="about" cols="47" rows="4"></textarea>';
echo '<input type="submit" name="submit" value="Post Reply">';
echo '</form>';
echo '</div>'
}
?>

This loop will show all comments in the database with a html form attached to each comment and a button says (Show Reply Form) inside the div comment_box, by clicking on that button i want this comment's form to show up individually. How to carry this out with jQuery?