Here's why it's unlikely, though:
* They are enemies: In the Winx Club universe, Icy and Valtor are on opposing sides. Icy is a Trix member, and Valtor is a powerful sorcerer. They are more likely to fight than to kiss.
* Relationship dynamics: The Winx Club series focuses on the romantic relationships between the Winx fairies and their respective partners. While some viewers might enjoy a romantic connection between Icy and Valtor, it is not central to the show's narrative or character development.
Ultimately, the answer to your question is a matter of speculation. You'd have to watch the second Winx Club movie to see if the writers introduce any unexpected plot twists.